DE1947499A1 - Verfahren zur Herstellung von 3-Chlor-4-amino-benzoesaeure - Google Patents
Verfahren zur Herstellung von 3-Chlor-4-amino-benzoesaeureInfo
- Publication number
- DE1947499A1 DE1947499A1 DE19691947499 DE1947499A DE1947499A1 DE 1947499 A1 DE1947499 A1 DE 1947499A1 DE 19691947499 DE19691947499 DE 19691947499 DE 1947499 A DE1947499 A DE 1947499A DE 1947499 A1 DE1947499 A1 DE 1947499A1
- Authority
- DE
- Germany
- Prior art keywords
- chloro
- isocyanate
- trichloromethyl
- hydrolysis
- chlorination
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 14
- YIYBPEDZAUFQLO-UHFFFAOYSA-N 4-amino-3-chlorobenzoic acid Chemical compound NC1=CC=C(C(O)=O)C=C1Cl YIYBPEDZAUFQLO-UHFFFAOYSA-N 0.000 title description 2
- 238000005660 chlorination reaction Methods 0.000 claims description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 9
- 230000007062 hydrolysis Effects 0.000 claims description 9
- 238000006460 hydrolysis reaction Methods 0.000 claims description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 5
- 239000000460 chlorine Substances 0.000 claims description 5
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims description 5
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 5
- QFLNTNZHBHFKBJ-UHFFFAOYSA-N 2-chloro-1-isocyanato-4-(trichloromethyl)benzene Chemical compound ClC1=CC(C(Cl)(Cl)Cl)=CC=C1N=C=O QFLNTNZHBHFKBJ-UHFFFAOYSA-N 0.000 claims description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- 150000007513 acids Chemical class 0.000 claims description 4
- 229910052801 chlorine Inorganic materials 0.000 claims description 4
- OETSPPVLTPINEC-UHFFFAOYSA-N 1-isocyanato-4-(trichloromethyl)benzene Chemical compound ClC(Cl)(Cl)C1=CC=C(N=C=O)C=C1 OETSPPVLTPINEC-UHFFFAOYSA-N 0.000 claims description 3
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 3
- 229910052740 iodine Inorganic materials 0.000 claims description 3
- 239000011630 iodine Substances 0.000 claims description 3
- 239000011707 mineral Substances 0.000 claims description 3
- 230000003197 catalytic effect Effects 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 239000012948 isocyanate Substances 0.000 claims description 2
- 150000002513 isocyanates Chemical class 0.000 claims description 2
- 239000005711 Benzoic acid Substances 0.000 description 4
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000026030 halogenation Effects 0.000 description 3
- 238000005658 halogenation reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- DGTNSSLYPYDJGL-UHFFFAOYSA-N phenyl isocyanate Chemical compound O=C=NC1=CC=CC=C1 DGTNSSLYPYDJGL-UHFFFAOYSA-N 0.000 description 3
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 description 2
- MBDUKNCPOPMRJQ-UHFFFAOYSA-N 4-amino-2-chlorobenzoic acid Chemical compound NC1=CC=C(C(O)=O)C(Cl)=C1 MBDUKNCPOPMRJQ-UHFFFAOYSA-N 0.000 description 2
- ALYNCZNDIQEVRV-UHFFFAOYSA-N 4-aminobenzoic acid Chemical compound NC1=CC=C(C(O)=O)C=C1 ALYNCZNDIQEVRV-UHFFFAOYSA-N 0.000 description 2
- 229960004050 aminobenzoic acid Drugs 0.000 description 2
- 235000010233 benzoic acid Nutrition 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- RZXMPPFPUUCRFN-UHFFFAOYSA-N p-toluidine Chemical compound CC1=CC=C(N)C=C1 RZXMPPFPUUCRFN-UHFFFAOYSA-N 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VPEAPIONSYRPHN-NSHDSACASA-N (2S)-2-[[4-(ethoxycarbonylamino)benzoyl]amino]pentanedioic acid Chemical compound C(=O)(OCC)NC1=CC=C(C(=O)N[C@@H](CCC(=O)O)C(=O)O)C=C1 VPEAPIONSYRPHN-NSHDSACASA-N 0.000 description 1
- XTYOTPBIDRGAML-UHFFFAOYSA-N 1-(chloromethyl)-2-isocyanatobenzene Chemical compound ClCC1=CC=CC=C1N=C=O XTYOTPBIDRGAML-UHFFFAOYSA-N 0.000 description 1
- VAKRHEJOLWOBBZ-UHFFFAOYSA-N 1-isocyanato-2-(trichloromethyl)benzene Chemical compound ClC(Cl)(Cl)C1=CC=CC=C1N=C=O VAKRHEJOLWOBBZ-UHFFFAOYSA-N 0.000 description 1
- MGYGFNQQGAQEON-UHFFFAOYSA-N 4-tolyl isocyanate Chemical compound CC1=CC=C(N=C=O)C=C1 MGYGFNQQGAQEON-UHFFFAOYSA-N 0.000 description 1
- AFBPFSWMIHJQDM-UHFFFAOYSA-N N-methyl-N-phenylamine Natural products CNC1=CC=CC=C1 AFBPFSWMIHJQDM-UHFFFAOYSA-N 0.000 description 1
- 101100330771 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) dbp-9 gene Proteins 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- PSGFNVAAKYVOAT-UHFFFAOYSA-N n-(2-chloro-4-methylphenyl)acetamide Chemical compound CC(=O)NC1=CC=C(C)C=C1Cl PSGFNVAAKYVOAT-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 125000006239 protecting group Chemical group 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000003866 trichloromethyl group Chemical group ClC(Cl)(Cl)* 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C265/00—Derivatives of isocyanic acid
- C07C265/12—Derivatives of isocyanic acid having isocyanate groups bound to carbon atoms of six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/16—Preparation of derivatives of isocyanic acid by reactions not involving the formation of isocyanate groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691947499 DE1947499A1 (de) | 1969-09-19 | 1969-09-19 | Verfahren zur Herstellung von 3-Chlor-4-amino-benzoesaeure |
| CH1229370A CH535742A (de) | 1969-09-19 | 1970-08-17 | Verfahren zur Herstellung von 3-Chlor-4-amino-benzoesäure |
| GB1251778D GB1251778A (enrdf_load_stackoverflow) | 1969-09-19 | 1970-08-19 | |
| FR7034007A FR2062379A5 (enrdf_load_stackoverflow) | 1969-09-19 | 1970-09-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691947499 DE1947499A1 (de) | 1969-09-19 | 1969-09-19 | Verfahren zur Herstellung von 3-Chlor-4-amino-benzoesaeure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1947499A1 true DE1947499A1 (de) | 1971-03-25 |
Family
ID=5745971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19691947499 Pending DE1947499A1 (de) | 1969-09-19 | 1969-09-19 | Verfahren zur Herstellung von 3-Chlor-4-amino-benzoesaeure |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH535742A (enrdf_load_stackoverflow) |
| DE (1) | DE1947499A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2062379A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1251778A (enrdf_load_stackoverflow) |
-
1969
- 1969-09-19 DE DE19691947499 patent/DE1947499A1/de active Pending
-
1970
- 1970-08-17 CH CH1229370A patent/CH535742A/de not_active IP Right Cessation
- 1970-08-19 GB GB1251778D patent/GB1251778A/en not_active Expired
- 1970-09-18 FR FR7034007A patent/FR2062379A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1251778A (enrdf_load_stackoverflow) | 1971-10-27 |
| FR2062379A5 (enrdf_load_stackoverflow) | 1971-06-25 |
| CH535742A (de) | 1973-04-15 |
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